LIAO Dechun,ZHOU Yonghong & LIAO Xinhao Shanghai Astronomical Observatory,Chinese Academy of Sciences,Shanghai 200030,China; National Astronomical Observatories,Chinese Academy of Sciences,Beijing 100012,China; United Center for As-tro-Geodynamics Research,Chinese Academy of Sciences,Shanghai 200030,China Correspondence should be addressed to Liao Dechun
摘 要:
El Ni駉 is a kind of the disastrous events occurring in the central and eastern parts of tropical Pacific. It pre-sents itself as anomaly of sea surface temperature (SST) in these parts of the tropical Pacific. It is called an El Ni駉 (La Ni馻) event whenever the tropical Pacific SST anom-aly is warmer (cooler) than 0.5℃(- 0.5℃) and lasts for over 6 months1]. Southern oscillation (SO) is a seesaw- like variation of sea level pressure (SLP) in eastern and western parts of the souther…